Zendikar / Alara / Lorwyn Era

{3}{G}: Knight of the Skyward Eye gets +3/+3 until end of turn. Activate only once each turn.

When Hidden Horror enters the battlefield, sacrifice it unless you discard a creature card.

When Somnomancer enters the battlefield, you may tap target creature.

Lightning Bolt deals 3 damage to any target.

Target creature gets +3/+0 and gains first strike until end of turn. (It deals combat damage before creatures without first strike.)

As Primal Beyond enters the battlefield, you may reveal an Elemental card from your hand. If you don't, Primal Beyond enters the battlefield tapped...

Put X +1/+1 counters on target creature, where X is that creature's power.

{1}{R}: Put a +1/+1 counter on Ashling the Pilgrim. If this is the third time this ability has resolved this turn, remove all +1/+1 counters from A...

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) Whenever Cold-Eyed Selkie deals combat damage to a pla...

{R}, Sacrifice Grotag Siege-Runner: Destroy target creature with defender. Grotag Siege-Runner deals 2 damage to that creature's controller.

When Adder-Staff Boggart enters the battlefield, clash with an opponent. If you win, put a +1/+1 counter on Adder-Staff Boggart. (Each clashing pla...

Devour 1 (As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with that many +1/+1 coun...

{T}: Add {C}. {1}: Mutavault becomes a 2/2 creature with all creature types until end of turn. It's still a land.

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase. Retra...

Target opponent puts the cards from their hand on top of their library. Search that player's library for that many cards. The player puts those car...

If Leyline of Punishment is in your opening hand, you may begin the game with it on the battlefield. Players can't gain life. Damage can't be pre...

Flying {1}{W/U}, {Q}: Tap target creature. ({Q} is the untap symbol.)

{T}: Target creature with power 2 or less can't be blocked this turn.

Whenever Spitemare is dealt damage, it deals that much damage to any target.

Destroy target creature. Clash with an opponent. If you win, you gain life equal to that creature's toughness. (Each clashing player reveals the to...

{2}: Target blue or red creature gets +1/+0 until end of turn.

Lava Axe deals 5 damage to target player or planeswalker.

({T}: Add {G}.) As Murmuring Bosk enters the battlefield, you may reveal a Treefolk card from your hand. If you don't, Murmuring Bosk enters the b...